If you do something unaided, you do it without help from anyone or anything else. There have been at least thirteen previous attempts to reach the North Pole unaided. without help
(of the eye or ear e g ) without the aid of an optical or acoustical device or instrument; "visible to the naked eye"; "clearly audible to the unaided ear"
Atoms can not be perceived with naked eye. - Atomlar çıplak gözle görülemez.
You can see the stars with your naked eye, and even better through a telescope. - Yıldızları çıplak gözle, hatta daha da iyisi teleskopla görebilirsin.